C22B 1/26
Cooling of roasted, sintered, or agglomerated ores
C22B1/26 (Cooling of roasted, sintered, or agglomerated ores) appears on 41 US grants and 39 published applications in this corpus.
Search patents in C22B- Granted patents
- 41
- Published applications
- 39
- Assignees
- 48
- Inventors
- 145
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 4 |
| 2014 | 2 | 0 |
| 2015 | 0 | 2 |
| 2016 | 3 | 4 |
| 2017 | 1 | 0 |
| 2018 | 2 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 2 |
| 2022 | 0 | 4 |
| 2023 | 3 | 2 |
| 2024 | 2 | 7 |
| 2025 | 2 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing copper metal from copper concentrates without generating waste26 May 2026US 12,637,738 B2Universidad De Concepcion
- Method for the pyroprocessing of powders24 Feb 2026US 12,559,818 B2Calix, Inc.
- Sustainable method for recycling smelting works dusts and sludges to produce iron-containing, heavy-metal-depleted reclaimed materials with recovery of lead and zinc21 Oct 2025US 12,448,666 B2ThyssenKrupp Steel Europe AG
- Lithium extraction process and apparatus25 Feb 2025US 12,234,529 B2U. S. Borax Inc.
- Additive for reducing the roasting temperature of fluxed magnetite pellets and a method of using it6 Feb 2024US 11,891,677 B2North China University of Science and Technology
- Method of extracting lithium from low-clay minerals11 Jun 2026US 2026/0159915 A1Instituto Mexicano Del Petroleo
- Method for recycling waste batteries19 Mar 2026US 2026/0081248 A1Posco
- Recovery method of lithium ion20 Feb 2025US 2025/0059624 A1Posco
- A metal agglomerate production configuration22 Aug 2024US 2024/0279766 A1Luossavaara-Kiirunavaara AB
- Pre-reduced pellet preparation apparatus and method based on grate-rotary kiln22 Aug 2024US 2024/0279767 A1Baoshan Iron & Steel Co., Ltd.
Most cited
By later US patents
- Method for manufacturing reduced iron pellets36US 6,241,803 B1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) · 2001
- Apparatus for cooling hot material16US 4,732,561 AKrupp Polysius AG · 1988
- Process for drying moist materials, particularly crystalline solids containing water of hydration11US 4,005,987 AMetallgesellschaft Aktiengesellschaft · 1977
- Non-polluting, cooling method and heat recuperative sintering method11US 4,337,083 AASARCO Incorporated · 1982
- Apparatus for cooling pellets10US 4,057,978 ASumitomo Heavy Industries, Ltd. · 1977